P9 Motion 0.0 / 5 ? PhysicsP9GCSEAQA Created by: emewsCreated on: 30-12-17 16:11 What do objects increasing in speed not have? Balanced forces 1 of 8 How do you calculate momentum? p = mv 2 of 8 What are the units of momentum? kg m/s 3 of 8 What does conservation of momentum mean? When objects collide the total momentum stays the same 4 of 8 If an object with a mass of 12 kilograms is moving at 10 metres per second, what is its momentum? 120 kg m/s 5 of 8 Newton's Second Law of Motion can be summarised by which equation? F = ma 6 of 8 What does Newton's Third Law of Motion state? If A exerts a force of B, then B exerts an equal but opposite force on A 7 of 8 Which car safety features absorb kinetic energy? Seat belts, crumple zones and air bags. 8 of 8
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